Test Index

NDA Math Trigonometric Ratios of Angles and Equations Part 2

DIRECTIONS (Qs. 34-35) : Read the following information and answer the two items that follow:
Let

tan‌3‌A

tan‌A

=K, where tan‌A≠0 and K≠

[NDA-I 2020]

Question : 49

Total: 75

What is tan2A equal to?

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